Analysis

  • max time kernel
    133s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2024 10:16

General

  • Target

    97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe

  • Size

    1.6MB

  • MD5

    97d7e0f3669ddf08027a7ada03c62a99

  • SHA1

    e19dc412d6fff89f5e75f17dcf7e8d3b094c7c84

  • SHA256

    f1332073600660a4fe428ae27d87f47ca5d64fd00b6ba471176861462d914f28

  • SHA512

    a4b8bed1c46ac0716d0c2cef53155f9d46515effb462c2db5a547c349a45d4e83a717f7f1d29e182cbf90c211bc6e6f2cdefd6c2ddf9625c5524af60e8af78fb

  • SSDEEP

    24576:tAHnh+eWsN3skA4RV1Hom2KXFmIau7bpSx11GQuJGCSMmht6yRkhoX1LmS5:Mh+ZkldoPK1XauvUxHFxSyq2H

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Drops startup file 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\97d7e0f3669ddf08027a7ada03c62a99_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1552-4-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1552-6-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

    Filesize

    2.0MB

  • memory/1552-5-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

    Filesize

    2.0MB

  • memory/4336-3-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

    Filesize

    2.0MB